The Institute For Figuring

PO Box 50346
Los Angeles, CA 90050

The IFF relies on donors (in addition to foundations and grants) to meet our operating costs. Whether you give $20 or $500, please help us continue our mission of providing public science engagement that is intellectually rigorous, pedagogically rich, and aesthetically aware. You may donate online or send a check to the Institute at our address above. The IFF is a 501(c)(3) nonprofit organization and contributions are tax-deductible to the fullest extent allowed by law.

All online memberships processed securely via PayPal.

Sustaining Member

Thank you for your support.

EuclideaN Member

Receive a copy of the IFF book A Field Guide to Hyperbolic Space.


Spherical Member

Receive copies of two beautiful IFF books: A Field Guide to Hyperbolic Space, about the mathematics and craft behind the Hyperbolic Crochet Coral Reef project The Figure that Stands Behind Figures: Mosaics of the Mind, a literary version of the IFF's first-ever lecture.


$1,000 and above

Receive a crocheted hyperbolic model in your own color choice! In addition, your name will appear as a major donor on the IFF website.